Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Westinghouse Air Brake TechnologiesSTU:WB2 +1.65%86 Cyclically Adjusted PB Ratio is 5.21 as of Jul. 26, 2026, which is 48% above its 10-year median of 3.51. GuruFocus rates STU:WB2 with a GF Score™ of 86/100 and a GF Value™ of €195.80 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 741 Transportation companies, Westinghouse Air Brake Technologies ranks worse than 92.17% on this metric.
The historical rank and industry rank for Westinghouse Air Brake Technologies's Cyclically Adjusted PB Ratio or its related term are showing as below:
STU:WB2'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.79 Med: 3.51 Max: 6.84
Current: 5.19
During the past years, Westinghouse Air Brake Technologies's highest Cyclically Adjusted PB Ratio was 6.84. The lowest was 1.79. And the median was 3.51.
STU:WB2's Cyclically Adjusted PB Ratio is ranked worse than 92.17% of 741
companies
in the Transportation industry
Industry Median: 1.27
vs STU:WB2: 5.19
The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.
Westinghouse Air Brake Technologies's adjusted book value per share data for the three months ended in Jun. 2026 was €57.562. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is €50.93 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Westinghouse Air Brake Technologies (STU:WB2) Cyclically Adjusted PB Ratio Explanation
Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.
Westinghouse Air Brake Technologies Cyclically Adjusted PB Ratio Related Terms
Westinghouse Air Brake Technologies Cyclically Adjusted PB Ratio Historical Data
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Westinghouse Air Brake Technologies Cyclically Adjusted PB Ratio Chart
STU:WB2 vs NSC, CSX, TRN: Cyclically Adjusted PB Ratio Comparison
For the Railroads subindustry, Westinghouse Air Brake Technologies's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Westinghouse Air Brake Technologies Cyclically Adjusted PB Ratio vs Transportation Industry
For the Transportation industry and Industrials sector, Westinghouse Air Brake Technologies's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Westinghouse Air Brake Technologies's Cyclically Adjusted PB Ratio falls into.
Westinghouse Air Brake Technologies Cyclically Adjusted PB Ratio Calculation
Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
What does a Cyclically Adjusted PB Ratio of 5.21 mean?
Westinghouse Air Brake Technologies (STU:WB2) has a Cyclically Adjusted PB Ratio of 5.21 as of Jul. 26, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Westinghouse Air Brake Technologies and its competitors. This is 48% above median its historical median of 3.51. Over the past decade, Westinghouse Air Brake Technologies' Cyclically Adjusted PB Ratio has ranged from 1.79 to 6.84. According to the industry distribution chart, Westinghouse Air Brake Technologies ranks #683 out of 741 companies in the Transportation industry, placing it in the top 92.2%.
Is Westinghouse Air Brake Technologies' Cyclically Adjusted PB Ratio too high?
Westinghouse Air Brake Technologies' current Cyclically Adjusted PB Ratio of 5.21 is 48% above median its 10-year median of 3.51. Over the past 10 years, this metric has ranged from a low of 1.79 to a high of 6.84. The Transportation industry median Cyclically Adjusted PB Ratio is 1.27. Westinghouse Air Brake Technologies' value of 5.21 is 310.2% above this industry median. Based on the distribution chart, Westinghouse Air Brake Technologies ranks #683 out of 741 companies in the Transportation industry, which is in the bottom quartile relative to peers. Overall, Westinghouse Air Brake Technologies has a GF Score™ of 86/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Westinghouse Air Brake Technologies' Cyclically Adjusted PB Ratio compare to NSC and CSX?
According to the Transportation industry distribution chart, Westinghouse Air Brake Technologies ranks #683 out of 741 companies for Cyclically Adjusted PB Ratio. This places Westinghouse Air Brake Technologies in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.27. Westinghouse Air Brake Technologies' value of 5.21 is 310.2% above this benchmark. Historically, Westinghouse Air Brake Technologies' own Cyclically Adjusted PB Ratio has ranged from 1.79 to 6.84 over the past decade. While the company's 10-year median is 3.51 vs. the industry median of 1.27, Westinghouse Air Brake Technologies has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PB Ratio for a Transportation company?
The median Cyclically Adjusted PB Ratio among Transportation companies is 1.27, based on 741 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Westinghouse Air Brake Technologies's current Cyclically Adjusted PB Ratio of 5.21 is 310.2% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Westinghouse Air Brake Technologies and its competitors. For the Transportation industry, the median Cyclically Adjusted PB Ratio is 1.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Westinghouse Air Brake Technologies's current Cyclically Adjusted PB Ratio is 5.21, which is 48% above median its own 10-year median of 3.51. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Westinghouse Air Brake Technologies stock overvalued right now?
Based on GuruFocus' analysis, Westinghouse Air Brake Technologies (STU:WB2) is currently considered Significantly Overvalued. The stock's GF Value™ is €195.80, compared to a current price of €265.30 — trading 35.5% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 5.21, which is 48% above median its 10-year median of 3.51 and 310.2% above the Transportation industry median of 1.27. Westinghouse Air Brake Technologies' overall GF Score™ is 86/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Westinghouse Air Brake Technologies (STU:WB2), the current Cyclically Adjusted PB Ratio is 5.21 as of Jul. 26, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Westinghouse Air Brake Technologies (STU:WB2) Overvalued in 2026?
Based on GuruFocus' analysis, Westinghouse Air Brake Technologies stock appears to be overvalued.
The current stock price of €265.30 is trading 35.5% above its estimated GF Value™ of €195.80.
GuruFocus considers Westinghouse Air Brake Technologies to be Significantly Overvalued.
Key valuation signals for STU:WB2:
Cyclically Adjusted PB Ratio: 5.21 (48% above median its 10-year median of 3.51)
GF Value™: €195.80 vs. price of €265.30 (35.5% above fair value)
Industry Position: 310.2% above the Transportation median (#683 of 741)
No single metric tells the full story. See the STU:WB2 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Westinghouse Air Brake Technologies Business Description
Westinghouse Air Brake Technologies Corp provides value-added, technology-based products and services for the freight rail and passenger transit industries and the mining, marine, and industrial markets. It provides its products and services through two main business segments: Freight and Transit. The company generates maximum revenue from the Freight segment, which manufactures new and modernized locomotives, provides aftermarket parts and services to existing locomotives, provides components to new and existing freight cars; builds new commuter locomotives; supplies rail control and infrastructure products, including electronics, positive train control equipment, signal design, and engineering services. Geographically, it generates a majority of its revenue from the United States.
86GF Score
Get the complete analysis for STU:WB2
Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
STU:WB2 has been successfully added to your 
